Explain the difference between bias and offset in sensor readings and how you would correct them.

Explain the difference between bias and offset in sensor readings and how you would correct them.

• A. Bias or offset is a constant error at zero or baseline; correction is through calibration, zeroing, or offset adjustment in hardware/software.
• B. Bias is random noise; offset is the slope.
• C. Bias always improves accuracy.
• D. Offset is the same as gain.

Answer: (A)